视束核和前庭系统与凝视稳定的相互作用

C. Formigoni, C. A. Pela, J. Colafêmina
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引用次数: 0

摘要

我们研究了前庭核(VN)与视束核(NOT)在凝视稳定中的相互作用。观察者的运动改变了进入视网膜的图像,非前庭的相互作用可以负责凝视的稳定。为了验证这种行为,受试者被以85度/秒的速度刺激视觉模式。我们等了10分钟让眼睛适应,因为房间的光强被控制在11.5勒克斯之间。我们观察到,当视觉通路“打开”时,眼球震颤的角位移和慢相分量的增加发生,并且信号幅度的下降表明非神经调节前庭核(VN)。
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Interactions of the nucleus of optic tract and vestibular system with gaze stabilization
We investigated the interaction of the vestibular nucleus (VN) with the nucleus of optic tract (NOT) for gaze stabilization. Observer movement changes the image that comes into the retina and the NOT vestibular interaction can be responsible for gaze stabilization. To verify this behavior the subjects were stimulated with visual patterns at 85 deg/sec. We waited 10 minutes for the eye's accommodation because the room has a controlled light intensity separated by 11.5 lux. We observed that an angular displacement and a gain of a slow phase component of the nystagmus occurred when visual pathways are "on" and a decrease in amplitude of the signal showing that the NOT modulates the vestibular nucleus (VN).
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